LTC4054ES5-4.2#TRMPBF - Analog Devices Inc.

Manufacturer Part Number

LTC4054ES5-4.2#TRMPBF

Manufacturer

analog-devices

Introduction

The LTC4054ES5-4.2#TRMPBF by Analog Devices is a highly efficient and compact single-cell lithium-ion battery charger integrated circuit, designed for portable applications, provided in a surface-mount package for easy incorporation into various electronic devices.

Product Features and Performance

Linear charger for single-cell lithium-ion batteries

Automatic recharge functionality

Charging current programmable up to 800mA

No external MOSFET, sense resistor, or blocking diode required

Thermal regulation maximizes charge rate without risk of overheating

Charges from a USB port or external power supply

High-accuracy preset voltage regulation (±1%)

Product Advantages

High integration leads to a reduced component count and system cost

Enables fast charging of lithium-ion batteries improving usability of portable devices

Compact SOT-23-5 package facilitates design in space-constrained applications

Thermal feedback regulates charge current to limit the temperature rise, enhancing safety

Key Technical Parameters

Battery Pack Voltage: 4.2V

Maximum Charge Current: 800mA

Voltage Supply (Max): 6.5V

Number of Cells: 1

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Precision charge voltage regulation to ensure long battery life

Over-temperature protection

Battery condition monitoring to prevent overcharging

Compatibility

Specifically designed for single-cell lithium-ion batteries

Suitable for use in USB-powered devices or with external power supplies

Application Areas

Portable consumer electronics such as smartphones, tablets, and digital cameras

Wearable technology

Medical devices

Wireless headphones and earbuds

Product Lifecycle

Currently, in an Active status indicating ongoing manufacturing and availability

No immediate indication of discontinuation, ensuring supply consistency for new designs

Several Key Reasons to Choose This Product

High-efficiency charging solution for lithium-ion batteries, crucial for extending the operating times of portable devices

Simplifies design complexities due to its integrated nature and lack of requirement for many external components

Supports safe and fast charging, enhancing user experience through quick turnaround times and operational safety

Its compact size allows for greater flexibility in designing small and innovative portable devices

Proven product from Analog Devices, known for their reliability and performance in power management solutions